Pyramid air cleaner



FIG. 1 is a perspective view of a pyramid air cleaner.

FIG. 2 is a top view of the pyramid air cleaner.

FIG. 3 is a right side view of the pyramid air cleaner.

FIG. 4 is a back view of the pyramid air cleaner.

FIG. 5 is a left side view of the pyramid air cleaner; and,

FIG. 6 is a front view of the pyramid air cleaner. 

The ornamental design of a pyramid air cleaner, as shown and described. 